I wonder how much Joomla will change in the following versions. If I understood their roadmap correctly they will release a "completely new" version every 1.5 years. I understand that like this Joomla will make a lot of progress. But I'm not sure if this is a very good plan. One of the good things about Joomla are the many 3rd parity extensions. I don't see how the developers of these extensions will manage to keep up with this roadmap. It's allmost a year since J1.6 has been released now. But when I need a certain extension, often I find sth. for J1.5 only... How will this go on? It's not just a problem the VM dev team is facing, but also every guy who developed a neat little extension for Joomla!

Yeah I really don't like that Joomla development progress, now I have my Joomla 1.5 and VM 1.1.8 with 3rd party components such as artio vm invoice which resulted in a lot of modified code to create a perfect website for our needs.

And now we have to move to VM 2.0 and joomla 2.5? and in 2 years we will have to upgrade again?

This would be great if updates we reach the point were updating is automatic and not changing template, components and basicly every aspect of your website.